68 FUMIGATION METHODS 
modified somewhat by H. W. Miller, of West Virginia, 
types of which are shown in the accompanying illus- 
trations. It is constructed for use in orchards, where 
the trees are eight to ten feet high. These fumigators 
FIG. 38—PLACING FUMIGATOR OVER TREE. TRAY AND 
APPARATUS FOR CHEMICALS 
are five feet square and seven feet high, with flat top. 
A light wooden frame is first made, around which 
three breadths of eight-ounce ducking (carefully sewed 
together) is wrapped and tacked along one edge with 
tin heads, such as are used for holding building paper 
in place. The top piece of cloth is also tacked around 
